diff --git a/src/ifcopenshell-python/ifcopenshell/validate.py b/src/ifcopenshell-python/ifcopenshell/validate.py
index df88e4dd24..35acfa9119 100644
--- a/src/ifcopenshell-python/ifcopenshell/validate.py
+++ b/src/ifcopenshell-python/ifcopenshell/validate.py
@@ -601,9 +601,6 @@ def to_string_header_entity(header_entity):
     """Recreate IFC header string representation, like FILE_NAME(...)"""
     
     # Prefer native .toString() if available (native IfcOpenShell wrapper)
-    if hasattr(header_entity, 'toString'):
-        return header_entity.toString()
-
     if hasattr(header_entity, 'toString'):
         return header_entity.toString()
     elif hasattr(header_entity, '_fields'):